38619880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 97831800

約数和(自身を除く): 59211920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 169, 197, 232, 260, 290, 338, 377, 394, 520, 580, 676, 754, 788, 845, 985, 1160, 1352, 1508, 1576, 1690, 1885, 1970, 2561, 3016, 3380, 3770, 3940, 4901, 5122, 5713, 6760, 7540, 7880, 9802, 10244, 11426, 12805, 15080, 19604, 20488, 22852, 24505, 25610, 28565, 33293, 39208, 45704, 49010, 51220, 57130, 66586, 74269, 98020, 102440, 114260, 133172, 148538, 166465, 196040, 228520, 266344, 297076, 332930, 371345, 594152, 665860, 742690, 965497, 1331720, 1485380, 1930994, 2970760, 3861988, 4827485, 7723976, 9654970, 19309940, 38619880]

約数ペア:

[(1, 38619880), (2, 19309940), (4, 9654970), (5, 7723976), (8, 4827485), (10, 3861988), (13, 2970760), (20, 1930994), (26, 1485380), (29, 1331720), (40, 965497), (52, 742690), (58, 665860), (65, 594152), (104, 371345), (116, 332930), (130, 297076), (145, 266344), (169, 228520), (197, 196040), (232, 166465), (260, 148538), (290, 133172), (338, 114260), (377, 102440), (394, 98020), (520, 74269), (580, 66586), (676, 57130), (754, 51220), (788, 49010), (845, 45704), (985, 39208), (1160, 33293), (1352, 28565), (1508, 25610), (1576, 24505), (1690, 22852), (1885, 20488), (1970, 19604), (2561, 15080), (3016, 12805), (3380, 11426), (3770, 10244), (3940, 9802), (4901, 7880), (5122, 7540), (5713, 6760)]